11402314421 has 4 divisors (see below), whose sum is σ = 11484345600. Its totient is φ = 11320283244.

The previous prime is 11402314411. The next prime is 11402314439. The reversal of 11402314421 is 12441320411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11402314421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402314411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41015381 + ... + 41015658.

It is an arithmetic number, because the mean of its divisors is an integer number (2871086400).

Almost surely, 2^11402314421 is an apocalyptic number.

It is an amenable number.

11402314421 is a deficient number, since it is larger than the sum of its proper divisors (82031179).

11402314421 is an equidigital number, since it uses as much as digits as its factorization.

11402314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82031178.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11402314421 its reverse (12441320411), we get a palindrome (23843634832).

The spelling of 11402314421 in words is "eleven billion, four hundred two million, three hundred fourteen thousand, four hundred twenty-one".